CityMaster 48EC

FreeCooling with low noise

CityMaster is the most quiet FreeCooling unit without an external silencer in AirSites' product range. It offers Free Cooling capacity of up to 5 kW heat load** and a sound pressure level of 30 dB(A)***. Ideal for operators who require an exceptionally low noise level outside their equipment rooms.

Contents

• Sound insulation including extra sound-absorbing baffles
• EC fan with external rotor motor
• 1 filter ePM10 70% (M6) 490x592x360
• 1 outdoor sensor

Electrical data, fan unit

• Voltage 48 V DC
• Rated power 343 W
• Rated current 7,3 A
• Speed 1287 rpm
• Sound pressure level 31 dBA (10 m)

Fan unit, airflow, dimensions, and weight.

• 756 l/s at external pressure of 50 Pa and clean filters
• Approved ambient temperature -25°C…+60°C
• Weight 78 kg
• Cooling capacity at Δt 2K* = 5-6 kW

Classifications according to IEC

• Fan motor: IP42
• Temperature sensor: Protection Class II
• Connectors: IP20
• DeltaManager: IP54

* Variations may occur depending on the site.
** Delta-T 5K heat load 5 kW
*** Sound pressure level 30 dB(A) at a distance of 10 meters from the source.